The effect of specimen size on tensile strength of restorative materials by use of the disk diametral compression test was evaluated. The results indicate that a miniature specimen can be used to give values and ranking for materials that agree with subjective practical experience.
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References
1.
Riddle, F.H. , and Laird, J.: The Control of Glaze-Fit by Means of Tensile Test Specimens, J Amer Cer Soc5:500, 1922.
2.
Earnshaw, R. , and Smith, D.C.: The Tensile and Compressive Strengths of Plaster and Stone, Aust Dent J11:415, 1966.
3.
Eden, G., and Waterstrat, R.: Effect of Packing Pressure on Tensile Strength of Commercial and Spherical Dental Amalgam, abstracted, IADR Program of Abstracts and Papers, No. 97, 1965.
4.
Sweeney, W.T. , and Burns, C.: Application of the Diametral Compression Test to Dental Amalgam, abstracted, IADR Program of Abstracts and Papers, No. 340, 1965.
5.
Wright, P.: Comments on an Indirect Tensile Test on Concrete Cylinders, Mag Concrete Res1:87, 1955.
6.
Simon, L.L.: Quality Control of Pavement Concrete, Constr Rev29:8, 1965.
7.
Rudnick, A.; Hunter, A.R.; and Holden, F.C.: An Analysis of the Diametral Compression Test, Mat Res Stds3:283, 1963.
8.
Addinall, E. , and Hackett, P.: The Tensile Strengths of Rock-Like Material , Civil Eng Publ Work Rev59:1250, 1964.
9.
Guide to Dental Materials and Devices, 5th ed, Chicago: American Dental Association, 1970-1971.
10.
Wain, E.: Stress Studies in Acrylic Resin, MSc thesis, University of Manchester, 1956.
11.
Williams, P.: A Study of the Diametral Tensile Test as Applied to Dental Restorative Materials, MSc thesis, University of Manchester, 1967.
12.
Peltier, R. : Theoretical Investigation of the Brazilian Test, Reun Int Lab Essais Mat19:29, 1954.
13.
Berenbaum, J., and Brodie, I.: Measurement of Tensile Strength of Brittle Materials, Brit J Appl Physics10:281, 1959.
